User interface features
• 2.5” graphical backlit monochrome LCD
(132x64 pixel resolution)
• Voicemail support
• Reversible deskstand/wallmount
• Unicode UTF-8 character support
• Multilingual user interface including
Chinese, Danish, Dutch, English (Canada/
US/UK), French, German, Italian, Japanese,
Korean, Norwegian, Polish, Portuguese,
Russian, Slovenian, Spanish, and Swedish
Feature keys
• 4 context-sensitive “soft” keys
• 2 line keys with bi-color (red/green) LED
“Home” feature key
• 4-way navigation key cluster with center
“Select” key
• 2 volume control keys
• Dedicated keys:
- Back and Home
- Hold and Transfer
- Headset
- Hands-free speakerphone
- Microphone Mute
Audio features
• Polycom® Acoustic Clarity™ technology
providing full-duplex conversations,
acoustic echo cancellation and
background noise suppression
• TIA-920 Wideband Audio
• Type 1 compliant (IEEE 1329 full duplex)
• Frequency response—150 Hz—7 kHz for
hands-free speakerphone, handset and
optional headset mode
• Codecs: G.711 (A-law and μ-law), G.729AB,
G.722 (HD Voice), iLBC
• Individual volume settings with visual
feedback for each audio path
• Voice activity detection
• Comfort noise generation
• DTMF tone generation (RFC 2833 and
in-band)
• Low-delay audio packet transmission
• Adaptive jitter buffers
• Packet loss concealment
Headset and handset compatibility
• Dedicated RJ-9 headset port
• Hearing aid compatibility to ITU-T P.370
and TIA 504A standards
• Compliant with ADA Section 508 Subpart
B 1194.23 (all)
• Hearing aid compatible (HAC) handset for
magnetic coupling to hearing aids
• Compatible with commercially-available
TTY adapter equipment
Call handling features
• 2 SIP identity (registration)/
2 programmable line keys
• Shared call/bridged line appearance
• Flexible line appearance (one or two
line keys can be assigned for each
registration)
• Distinctive incoming call treatment/
call waiting
• Call timer and call waiting
• Call transfer, hold, divert (forward), pickup
• Called, calling, connected party
information
• Local three-way audio conferencing
• One-touch speed dial, redial
• Remote missed call notification
• Do not disturb function
• Electronic hook switch capable
• Local configurable digit map/dial plan
Open application platform
• Supports Polycom Apps SDK and API
for third- party business and personal
applications
• Bundled with Polycom UC Software:
- Corporate Directory Access using LDAP
- Visual Conference Management
Network and provisioning
• SIP Protocol Support
• SDP
• IETF SIP (RFC 3261 and companion RFCs)
• Two-port Ethernet switch 10/100Base-TX
across LAN and PC Ports
• Manual or dynamic host configuration
protocol (DHCP) network setup
• Time and date synchronization using SNTP
• FTP/FTPS/TFTP/HTTP/HTTPS server
based central provisioning for mass
deployments
• Provisioning and call server redundancy
supported
• QoS Support–IEEE 802.1p/Q tagging
(VLAN), Layer 3 TOS, and DHCP
• VLAN—CDP, DHCP VLAN discovery,
LLDP-MED for VLAN discovery
• Network Address Translation (NAT)—
support for static configuration and
• “Keep-Alive” SIP signaling
• RTCP and RTP support
• Event logging
• Syslog
• Hardware diagnostics
• Status and statistics reporting
• TCP
• UDP
• DNS-SRV
• IPv4 and IPv6
Security
• 802.1X Authentication and EAPOL Media
encryption via SRTP
• Transport Layer Security (TLS)
• Encrypted configuration files
• Digest authentication
• Password login
• Support for URL syntax with password for
boot server address
• HTTPS secure provisioning
• Support for signed software executables
Power
• Built-in auto sensing IEEE 802.3af Power
over Ethernet Class 2, 5.0 W (Max)
• External Universal AC/DC Adapter
(optional) 5VDC @ 3A (15W)
• ENERGY STAR® rated